Fajar Japar Sodik, and Gusganda Suria Manda. “The Effect of Debt to Equity Ratio (DER) and Sales Growth on ROA of Manufacturing Companies Listed on the IDX for the 2021-2024 Period”. International Journal of Economics and Management Research 4, no. 3 (August 25, 2025): 79–89. Accessed September 2, 2025. https://ijemr.asia/index.php/ijemr/article/view/500.